Assistant customer servives I Sibelco is a global material solutions company. We mine, process and sell industrial minerals at locations worldwide, focused primarily on silica, clays, feldspathics and olivine. We are also leaders in glass recycling. The Sibelco Group operates over 110 production sites in 31 countries, with a team of over 5,000 people. - Location:_ Sibelco Portuguesa Lda HQ Role Purpose: - You will ensure that you work to the departmental processes in order to provide excellent …